th_empty_trailing_rows(datapath, ext, read_only):
    # GH 39181
    path = datapath("io", "data", "excel", f"empty_trailing_rows{ext}")
    if read_only is None:
        result = pd.read_excel(path)
    else:
        with contextlib.closing(
            openpyxl.load_workbook(path, read_only=read_only)
        ) as wb:
            result = pd.read_excel(wb, engine="openpyxl")
    expected = DataFrame(
        {
            "Title": [np.nan, "A", 1, 2, 3],
            "Unnamed: 1": [np.nan, "B", 4, 5, 6],
            "Unnamed: 2": [np.nan, "C", 7, 8, 9],
        }
    )
    tm.assert_frame_equal(result, expected)